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Duplex Steel F51 Threaded Flange

Threaded Flange

ASTM A182 DSS F51 Threaded Flange

UNS S31803, 1.4462, ASTM A182 F51 Threaded Flanges

Threaded Flange

Duplex Steel F51 Screwed Flange

UNS S31803, 1.4462, ASTM A182 F51 Screwed Flange

Threaded Flange

ASTM A182 DSS F51 Threaded Flange

UNS S32205, 1.4462, ASTM A182 F51 Threaded Flange

Threaded Flange

Duplex Steel F51 Raised Face Threaded Flange

UNS S32205, 1.4462, ASTM A182 F51 Threaded Raised Face Flange

ASTM A182 Duplex Steel F51 threaded flanges are commonly used in various industrial applications that require high strength, corrosion resistance, and durability. These Duplex Steel F51 threaded pipe flanges are made from a combination of austenitic and ferritic stainless steels, which makes them highly resistant to corrosion and wear. One popular type of ASTM A182 Duplex Steel F51 threaded flange is the F51 DSS RF threaded flange. This flange has a raised face that provides an additional sealing surface, which makes it ideal for applications that require a tight seal.

These flanges resist crevice corrosion, pitting, and stress corrosion cracking, making them ideal for harsh environments. They are also known for their high durability and resistance to wear and tear, which reduces the need for frequent maintenance and replacement. The F51 DSS RF threaded flange is commonly used in the oil and gas industry, where it is exposed to harsh environments and high pressure. When choosing an ASTM A182 Duplex Steel F51 threaded flange, it is important to consider the specific requirements of your application. Factors such as temperature, pressure, and chemical exposure should be considered to ensure you select the right flange type for your needs.

DUPLEX STEEL F51 THREADED PIPE FLANGE, ASTM A182 DSS F51 RAISED FACE THREADED FLANGE, F51 DSS RF THREADED FLANGE, ASTM A182 F51 DUPLEX STEEL THREADED FLANGE, ASTM A182 DUPLEX STEEL F51 FLAT FACE THREADED FLANGES.

Table of Content

ASTM A182 DUPLEX STEEL F51 THREADED FLANGE SUPPLIER, ASME SA182 DSS F51 SCREWED FLANGE, ASTM A182 DUPLEX STEEL F51 THREADED FLANGE, 2205 DUPLEX STEEL RAISED FACED THREADED FLANGES MANUFACTURER & STOCKIST IN MUMBAI, INDIA.

If you need high-quality ASTM A182 DSS F51 threaded flanges, choosing a trusted supplier like Hexforge Inc is important. Hexforge Inc. is a leading supplier and manufacturer of high-quality duplex steel F51 threaded flanges ideal for various applications. Our ASTM A182 Duplex Steel F51 Threaded Flanges are available in various sizes and dimensions to meet your specific requirements. We can also provide you with technical support and assistance with installation and maintenance.

What is the chemical composition of Duplex steel F51 threaded pipe flanges?
Duplex steel F51 threaded pipe flanges typically contain chromium, molybdenum, and nickel, which provide high strength and excellent corrosion resistance. They also contain a small amount of nitrogen, which enhances their mechanical properties.

How does carbon content affect the properties of F51 DSS RF threaded flanges?
Carbon content can affect the mechanical properties of F51 DSS RF threaded flanges, such as hardness and strength. Higher carbon content can increase the hardness and strength of the material but can also reduce its flexibility and impact resistance.

Specification And Material Grade Of DSS F51 Threaded Flange

Specification : ASTM A182 / ASME SA182

Standard : ANSI/ASME B16.5, B16.47 Series A & B, B16.48, BS4504, BS 10, EN-1092, DIN, ANSI Flanges, ASME Flanges, BS Flanges, DIN Flanges, EN Flanges, GOST Flange, ASME/ANSI B16.5/16.36/16.47A/16.47B, MSS SP44, ISO70051, JISB2220, BS1560-3.1, API7S-15, API7S-43, API605, EN1092

Size : 1/2″ (15 NB) to 48″ (1200NB) DN10~DN5000

Class : 150 LBS, 300 LBS, 600 LBS, 900 LBS, 1500 LBS, 2500 LBS, DIN Standard ND-6,10, 16, 25, 40 Etc.

Connect Type/ Flange Face Type : Raised Face (RF), Ring Type Joint (RTJ), Flat Face (FF), Large Male-Female (LMF), Small Male-Female (SMF)

JIS : JIS B2220, JIS B2221, 5K, 10K, 16K, 20K, 30K, 40K, 63K

DIN : DIN 2527, DIN 2566, DIN 2573, DIN 2576, DIN 2641, DIN 2642, DIN 2655, DIN 2656, DIN 2627, DIN 2628, DIN 2629, DIN 2631, DIN 2632, DIN 2633, DIN 2634, DIN 2635, DIN 2636, DIN 2637, DIN 2638, DIN 2673

BS : BS 4504, BS 4504, BS 1560, BS 10

Screwed Flange Drawing
Duplex Steel F51 Threaded Flange

Equivalent Grades Of Duplex Steel F51 Threaded Flanges

STANDARD WERKSTOFF NR. UNS
Duplex F51 1.4462 S31803 / S32205

WE MANUFACTURE ASTM A182 Duplex Steel F51 THREADED FLANGE AS PER INTERNATIONAL STANDARDS & SPECIFICATIONS. F51 SCREWED FLANGES MANUFACTURERS IN INDIA, CUSTOM SIZES DSS F51 THREADED FLANGE CAN BE PRODUCED AS PER CLIENT DRAWING.

Dimensional Standards
  • American Standard (ANSI/ASME/AWWA)
  • German Standard (DIN)
  • European Standard (EN)
  • Japanese Standard (JIS)
  • British Standard (BS)
  • MSS Standard (MSS-SP)
  • Petroleum Standard (API)
  • Russian Standard (GOST)
  • South African Standard (SABS / SANS)
Manufacturing Facilities :
  • Raw material cutting: band saw
  • Cold Forging
  • Open / Close Die Forging & Rolling: Hammer / Press / Ring Rolling
  • Machining: CNC lathes/SPM lathes
  • Bolt Hole drilling: High speed CNC Vertical Machining Center
  • Heat treatment: Solution Annealing (batch annealing furnaces)
  • Seamless Rolled Ring Forging

DSS F51 Threaded Flange Pressure Rating

ASME B16.5 Threaded Flange Pressure Ratings
Temperature (°C) Class
Class 150 Class 300 Class 400 Class 600 Class 900 Class 1500 Class 2500
-29 – 38 19.8 51.7 68.9 103.4 155 259 431
50 19.5 51.7 68.9 103.4 155 259 431
100 17.7 51.5 68.7 103.0 155 258 429
150 15.8 50.2 66.8 100.3 151 251 418
200 13.8 48.6 64.8 97.2 146 243 405
250 12.1 46.3 61.7 92.7 139 232 386
300 10.2 42.9 57.0 85.7 129 214 357
325 9.3 41.4 55.0 82.6 124 207 344
350 8.4 40.0 53.4 80.0 120 200 334
375 7.4 37.8 50.4 75.7 114 189 315
400 6.5 34.7 46.3 69.4 104 174 290
425 5.5 28.8 38.4 57.5 86.3 144 240
450 4.6 23.0 30.7 46.0 69.0 115 192
475 3.7 17.1 22.8 34.2 51.3 85.4 142
500 2.8 11.6 15.4 23.2 34.7 57.9 96.5
538 1.4 5.9 7.9 11.8 17.7 29.5 49.2

F51 DSS Standard Threaded Flange Sizes Chart

DN In inches Dimension ASME B16.5 Dimensional Sizes 1/2 inches to 2 1/2 inches
125 LBS 150 LBS 300 LBS 400 LBS 600 LBS 900 LBS 1500 LBS 2500 LBS
inches millimeter inches millimeter inches millimeter inches millimeter inches millimeter inches millimeter inches millimeter
1/2 A 3 1/2 88.9 3 3/4 95.2 3 3/4 95.2 3 3/4 95.2 4 3/4 121 4 3/4 121 5 1/4 133.4
b 7/16 11.1 9/16 14.3 9/16 14.3 9/16 14.3 7/8 22.2 7/8 22.2 1 3/16 30.2
D2 1 3/8 34.9 1 3/8 34.9 1 3/8 34.9 1 3/8 34.9 1 3/8 34.9 1 3/8 34.9 1 3/8 34.9
D1 2 3/8 60.3 2 5/8 66.7 2 5/8 66.7 2 5/8 66.7 3 1/4 82.6 3 1/4 82.6 3 1/2 88.9
n 4 4 4 4 4 4 4 4 4 4 4 – 4 44
d 5/8 15.9 5/8 15.9 5/8 15.9 5/8 15.9 7/8 22.2 7/8 22.2 7/8 22.2
3/4 A 3 7/8 98.4 4 5/8 117.5 4 5/8 117.5 4 5/8 117.5 5 1/8 130 5 1/8 130 5 1/2 139.7
b 1/2 12.7 5/8 15.9 5/8 15.9 5/8 15.9 1 25.4 1 25.4 1 1/4 31.8
D2 1 11/16 42.9 1 11/16 42.9 1 11/16 42.9 1 11/16 42.9 1 11/16 42.9 1 11/16 42.9 1 11/16 42.9
D1 2 3/4 69.8 3 1/4 82.5 3 1/4 82.5 3 1/4 82.5 3 1/2 88.9 3 1/2 88.9 3 3/4 95.2
n 4 4 4 4 4 4 4 4 4 4 4 – 4 44
d 5/8 15.9 3/4 19 3/4 19 3/4 19 7/8 22.2 7/8 22.2 7/8 22.2
1 A 4 1/4 108 4 7/8 123.8 4 7/8 123.8 4 7/8 123.8 5 7/8 149.2 5 7/8 149.2 6 1/4 159
b 9/16 14.3 11/16 17.5 11/16 17.5 11/16 17.5 1 1/8 28.6 1 1/8 28.6 1 3/8 34.9
D2 2 50.8 2 50.8 2 50.8 2 50.8 2 50.8 2 50.8 2 50.8
D1 3 1/8 79.4 3 1/2 88.9 3 1/2 88.9 3 1/2 88.9 4 102 4 102 4 1/4 108
n 4 4 4 4 4 4 4 4 4 4 4 4 4 4
d 5/8 15.9 3/4 19 3/4 19 3/4 19 1 25.4 1 25.4 1 25.4
1 1/4 A 4 5/8 117.5 5 1/4 133.4 5 1/4 133.4 5 1/4 133.4 6 1/4 159 6 1/4 159 7 1/4 184.2
b 5/8 15.9 3/4 19 13/16 20.6 13/16 20.6 1 1/8 28.6 1 1/8 28.6 1 1/2 38.1
D2 2 1/2 63.5 2 1/2 63.5 2 1/2 63.5 2 1/2 63.5 2 1/2 63.5 2 1/2 63.5 2 1/2 63.5
D1 3 1/2 88.9 3 7/8 98.4 3 7/8 98.4 3 7/8 98.4 4 3/8 111 4 3/8 111 5 1/8 130
n 4 4 4 4 4 4 4 4 4 4 4 4 4 4
d 5/8 15.9 3/4 19 3/4 19 3/4 19 1 25.4 1 25.4 1 1/8 28.6
1 1/2 A 5 127 6 1/8 155.6 6 1/8 155.6 6 1/8 155.6 7 177.8 7 177.8 8 203
b 11/16 17.5 13/16 20.6 7/8 22.2 7/8 22.2 1 1/4 31.8 1 1/4 31.8 1 3/4 44.5
D2 2 7/8 73 98 2 7/8 73 2 7/8 73 2 7/8 73 2 7/8 73 2 7/8 73 2 7/8 73
D1 3 7/8 4 4 1/2 114 4 1/2 114 4 1/2 114 4 7/8 124 4 7/8 124 5 3/4 146
n 4 4 4 4 4 4 4 4 4 4 4 4 4 4
d 5/8 . 15.9 7/8 22.2 7/8 22.2 7/8 22.2 1 1/8 28.6 1 1/8 28.6 1 1/4 31.8
2 A 6 152.4 6 1/2 165.1 6 1/2 165.1 6 1/2 165.1 8 1/2 215.9 8 1/2 215.9 9 1/4 234.9
b 3/4 19 7/8 22.2 1 25.4 1 25.4 1 1/2 38.1 1 1/2 38.1 2 50.8
D2 3 5/8 92.1 3 5/8 92.1 3 5/8 92.1 3 5/8 92.1 3 5/8 92.1 3 5/8 92.1 3 5/8 92.1
D1 4 3/4 121 5 127 5 127 5 127 6 1/2 165.1 6 1/2 165.1 6 3/4 171
n 4 4 8 8 8 8 8 8 8 8 8 8 8 8
d 3/4 19 3/4 19 3/4 19 3/4 19 1 25.4 1 25.4 1 1/8 28.6
2 1/2 A 7 177.8 7 1/2 190.5 7 1/2 190.5 7 1/2 190.5 9 5/8 244 9 5/8 244 10 1/2 266.7
b 7/8 22.2 1 25.4 1 1/8 28.6 1 1/8 28.6 1 5/8 41.3 1 5/8 41.3 2 1/4 57.2
D2 4 1/8 104.8 4 1/8 104.8 4 1/8 104.8 4 1/8 104.8 4 1/8 105 4 1/8 105 4 1/8 105
D1 5 1/2 139.7 5 7/8 149.2 5 7/8 149.2 5 7/8 149.2 7 1/2 190.5 7 1/2 190.5 7 3/4 197
n 4 4 8 8 8 8 8 8 8 8 8 8 8 8
d 3/4 19 7/8 22.2 7/8 22.2 7/8 22.2 1 1/8 28.6 1 1/8 28.6 1 1/4 31.8

Weight Chart Of Duplex Steel F51 Threaded Flange

CLASS Nominal Pipe Size Threaded Flange
150 lb ½ 1
¾ 2
1 2
1¼ 3
1½ 3
2 5
2½ 8
3 9
3½ 12
4 13
5 15
6 19
8 30
10 43
12 64
14 90
16 98
18 130
20 165
22 185
24 220
300 lb ½ 2
¾ 3
1 3
1¼ 4.5
1½ 6.5
2 7
2½ 10
3 14
3½ 17
4 24
5 31
6 39
8 58
10 81
12 115
14 165
16 220
18 280
20 325
22 370
24 490
400 lb ½ 2
¾ 3
1 3.5
1¼ 4.5
1½ 6.5
2 8
2½ 12
3 15
3½ 21
4 26
5 31
6 44
8 67
10 91
12 130
14 191
16 253
18 310
20 378
22 405
24 539
600 lb ½ 2
¾ 3
1 4
1¼ 5
1½ 7
2 9
2½ 13
3 16
3½ 21
4 37
5 63
6 80
8 115
10 177
12 215
14 259
16 366
18 476
20 612
22 590
24 876
900 lb ½ 6
¾ 6
1 7.5
1¼ 10
1½ 14
2 22
2½ 31
3 36
4 53
5 83
6 110
8 172
10 245
12 326
14 400
16 459
18 647
20 792
24 1480
1500 lb ½ 6
¾ 6
1 8
1¼ 10
1½ 14
2 25
2½ 36
3 48
4 73
5 132
6 165
8 260
10 436
12 667
14 940
16 1250
18 1625
20 2050
24 2825
2500 lb ½ 7
¾ 9
1 12
1¼ 18
1½ 25
2 38
2½ 55
3 83
4 127
5 210
6 323
8 485
10 925
12 1300

ASTM A182 DSS F51 Threaded Flange Chemical Composition

Grade C Mn Si P S Cr Mo Ni N Fe
Duplex F51 0.030 max 2.00 max 1.00 max 0.030 max 0.020 max 22 – 23 3.0 – 3.5 4.50 – 6.50 0.14 – 0.20 63.72 min

F51 Duplex Steel Threaded Flange Mechanical Properties

Density Melting Point Tensile Strength Yield Strength (0.2%Offset) Elongation
7.8 g/cm3 1350 °C (2460 °F) Psi – 80000 , MPa – 550 Psi – 116000 , MPa – 800 15 %

We are One Of The Most Trusted Supplier Of F51 Duplex Stainless Steel Threaded Flange in India. For final ASTM A182 DSS F51 Threaded Flange Price List

Please Call on +91 96194 44982 or drop an E-Mail : [email protected]

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